Electronic musical accessory



FIG. 1 is a perspective view of our design for an electronic musical accessory;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front end view thereof;

FIG. 5 is a rear end view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof. 

The ornamental design for an electronic musical accessory, as shown. 